Input string in incorrect form..Help needed urgently!!

[hudhuhandhu]

have got an error which says Input string was not in a correct format. as follows..

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatEx ception: Input string was not in a correct format.

Source Error:

Line 237: Dim validNow As Integer = 1
Line 238: 'Dim jobAmount As Decimal = JobInformation. GetJobAmt(class iDDL.SelectedVa lue)
Line 239: Dim jobAmount As Decimal = Convert.ToDecim al(JobInformati on.GetJobAmt(CI nt(classiDDL.Se lectedValue)))
Line 240: 'Dim jobAmount As Decimal = Convert.ToInt32 (JobInformation .GetJobAmt(clas siDDL.SelectedV alue))
Line 241: Dim reason, message As String


Source File: \\hera\webroot$ \veyo\chits\CCL Chits\CreateCCL Chit.aspx.vb Line: 239

Stack Trace:

[FormatException : Input string was not in a correct format.]
Microsoft.Visua lBasic.Compiler Services.Double Type.Parse(Stri ng Value, NumberFormatInf o NumberFormat) +195
Microsoft.Visua lBasic.Compiler Services.Intege rType.FromStrin g(String Value) +95

[InvalidCastExce ption: Cast from string "" to type 'Integer' is not valid.]
Microsoft.Visua lBasic.Compiler Services.Intege rType.FromStrin g(String Value) +210
veyo.CreateCCLC hit.NextButton1 _Click(Object sender, EventArgs e) in \\hera\webroot$ \veyo\chits\CCL Chits\CreateCCL Chit.aspx.vb:23 9
System.Web.UI.W ebControls.Butt on.OnClick(Even tArgs e) +108
System.Web.UI.W ebControls.Butt on.System.Web.U I.IPostBackEven tHandler.RaiseP ostBackEvent(St ring eventArgument) +57
System.Web.UI.P age.RaisePostBa ckEvent(IPostBa ckEventHandler sourceControl, String eventArgument) +18
System.Web.UI.P age.RaisePostBa ckEvent(NameVal ueCollection postData) +33
System.Web.UI.P age.ProcessRequ estMain() +1292


here is the code which i am using.......... ....

 Dim jobAmount As Decimal = Convert.ToDecimal(JobInformation.GetJobAmt(CInt(classiDDL.SelectedValue)))
 
        If Not chitEdit Then
            ' ====  If only the above is satisfied, continue with the CCL. ====
            If Not transfer Then
                Utilities.CreateMessageAlert(Me, message, "alert")
                Return
            End If
 
            ' Create CCL chit
            ' -------------------
 
 
        Else 'i.e. chitEdit = true
 
            If Not transfer Then
                Return
            End If
 
            chitID = CInt(ChitIDLabel.Text)
 
            If Not Chit.EditChit(chitID, caseID, chitDate, chitSigneeRCN, chitSigneeDesigID, _
                    effectiveDate, RemarksAndCC1.ChitRemarks(), CInt(Context.Items("userID"))) Then
                'Error to user : ERROR in saving edited chit.
                Response.Redirect("/veyo/Error.aspx?eid=21&chitID=" & chitID)
                Return
            End If
 
 
            'JobPanel.Enabled = False
 
 
 
            ' Delete all Havaalaadhey CaseIDs and add new
            If Not DeleteHavaalaadheyCaseIDs(chitID) Then
                Response.Redirect("/veyo/Error.aspx?eid=42&chitID=" & chitID)
                Return
            End If
 
            If Not SaveHavaalaadheyCaseIDs(caseID, chitID) Then
                Response.Redirect("/veyo/Error.aspx?eid=41&chitID=" & chitID)
                Return
            End If
 
            ' Delete and Save Chit CC Offices
            If Not DeleteChitCCOffices(chitID) Then
                Response.Redirect("/veyo/Error.aspx?eid=45&chitID=" & chitID)
                Return
            End If
 
            If Not InsertChitCCOffices(chitID, RemarksAndCC1.GetCCOfficeList) Then
                Response.Redirect("/veyo/Error.aspx?eid=44&chitID=" & chitID)
                Return
            End If
 
 
            ' Edit Job History
            If Not JobInformation.UpdateJobHistory(RCN, chitID, effectiveDate, chitDate, _
                BridgeUntilTB.Text, RemarksAndCC1.ChitRemarks, Context.Items("userID")) Then
                Response.Redirect("/veyo/Error.aspx?eid=50&chitID=" & chitID)
                Return
            End If
 
            ' Delete any Additional Remarks previously written and
            ' check whether there are any additional remarks for original copy and save that
            ' tbl_chitsAdditionalRemarks
            If Not DeleteChitAdditionalRemarks(chitID) Then
                Response.Redirect("/veyo/Error.aspx?eid=47&chitID=" & chitID)
                Return
            End If
 
            If Not RemarksAndCC1.OriginalCopyChitRemarks = "" Then
                Chit.InsertChitAdditionalRemarks(chitID, RemarksAndCC1.OriginalCopyChitRemarks)
            End If
 
            Dim pathname As String = Chit.GetDisplayURL(chitType) & "?chitID=" & chitID
            Response.Redirect(pathname)
 
 
        End If
 
    End Sub
 
    Private Sub ClassDDL_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClassDDL.SelectedIndexChanged
        toSalaryDDL.DataSource = JobInformation.GetClassSalaries(ClassDDL.SelectedValue)
        toSalaryDDL.DataTextField = "salary"
        toSalaryDDL.DataValueField = "classSalID"
        toSalaryDDL.DataBind()
        toSalaryDDL.Enabled = True
 
        classiDDL.DataSource = JobInformation.GetClassSalaries(ClassDDL.SelectedValue)
        classiDDL.DataTextField = CInt("classID")
        classiDDL.DataValueField = "classSalID"
        'classiDDL.SelectedValue = Nothing
        classiDDL.DataBind()
        classiDDL.Enabled = True
 
    End Sub